double LxQtCpuLoad::getLoadCpu() const
{
#ifdef STATGRAB_NEWER_THAN_0_90
size_t count;
sg_cpu_percents* cur = sg_get_cpu_percents(&count);
#else
sg_cpu_percents* cur = sg_get_cpu_percents();
#endif
return (cur->user + cur->kernel + cur->nice);
}
/*
* CPU usage as ticks difference in percents,
* see <tt>sg_get_cpu_percents(3)</tt> manpage.
*/
static VALUE
statgrab_cpu_percents(VALUE self)
{
sg_cpu_percents *percents;
VALUE info, time_now;
if ((percents = sg_get_cpu_percents()) == NULL)
statgrab_handle_error();
info = rb_hash_new();
rb_hash_aset(info, ID2SYM(rb_intern("user")),
rb_float_new(percents->user));
rb_hash_aset(info, ID2SYM(rb_intern("kernel")),
rb_float_new(percents->kernel));
rb_hash_aset(info, ID2SYM(rb_intern("idle")),
rb_float_new(percents->idle));
rb_hash_aset(info, ID2SYM(rb_intern("iowait")),
rb_float_new(percents->iowait));
rb_hash_aset(info, ID2SYM(rb_intern("swap")),
rb_float_new(percents->swap));
rb_hash_aset(info, ID2SYM(rb_intern("nice")),
rb_float_new(percents->nice));
rb_hash_aset(info, ID2SYM(rb_intern("time_taken")),
INT2NUM(percents->time_taken));
time_now = rb_funcall(rb_cTime, rb_intern("now"), 0);
rb_hash_aset(info, ID2SYM(rb_intern("last_call")),
rb_funcall(time_now, rb_intern("-"), 1,
INT2NUM(percents->time_taken)));
return info;
}
int get_stats(void)
{
st.cpu = sg_get_cpu_percents();
if (!st.cpu) { LOG(LOG_INFO, "could not sg_get_cpu_stats"); }
st.mem = sg_get_mem_stats();
if (!st.mem) { LOG(LOG_INFO, "could not sg_get_mem_stats"); }
st.swap = sg_get_swap_stats();
if (!st.swap) { LOG(LOG_INFO, "could not get_swap_stats"); }
st.load = sg_get_load_stats();
if (!st.load) { LOG(LOG_INFO, "could not get_load_stats"); }
st.process = sg_get_process_stats(&st.process_entries);
if (!st.process) { LOG(LOG_INFO, "could not get_process_stats"); }
st.paging = sg_get_page_stats_diff();
if (!st.paging) { LOG(LOG_INFO, "could not get_page_stats_diff"); }
st.network = sg_get_network_io_stats_diff(&(st.network_entries));
if (!st.network) { LOG(LOG_INFO, "could not get_network_stats_diff"); }
st.diskio = sg_get_disk_io_stats_diff(&(st.diskio_entries));
if (!st.diskio) { LOG(LOG_INFO, "could not get_diskio_stats_diff"); }
st.disk = sg_get_fs_stats(&(st.disk_entries));
if (!st.disk) { LOG(LOG_INFO, "could not get_disk_stats"); }
st.hostinfo = sg_get_host_info();
if (!st.hostinfo) { LOG(LOG_INFO, "could not get_host_info"); }
st.user = sg_get_user_stats();
if (!st.user) { LOG(LOG_INFO, "could not get get_user_stats"); }
return 1;
}
int get_stats() {
stats.cpu_percents = sg_get_cpu_percents();
stats.mem_stats = sg_get_mem_stats();
stats.swap_stats = sg_get_swap_stats();
stats.load_stats = sg_get_load_stats();
stats.process_count = sg_get_process_count();
stats.page_stats = sg_get_page_stats_diff();
stats.network_io_stats = sg_get_network_io_stats_diff(&(stats.network_io_entries));
stats.disk_io_stats = sg_get_disk_io_stats_diff(&(stats.disk_io_entries));
stats.fs_stats = sg_get_fs_stats(&(stats.fs_entries));
stats.host_info = sg_get_host_info();
stats.user_stats = sg_get_user_stats();
return 1;
}
void populate_cpu() {
if (use_cpu_percent) {
sg_cpu_percents *cpu_p = sg_get_cpu_percents();
if (cpu_p != NULL) {
add_stat(FLOAT, &cpu_p->user,
"cpu", "user", NULL);
add_stat(FLOAT, &cpu_p->kernel,
"cpu", "kernel", NULL);
add_stat(FLOAT, &cpu_p->idle,
"cpu", "idle", NULL);
add_stat(FLOAT, &cpu_p->iowait,
"cpu", "iowait", NULL);
add_stat(FLOAT, &cpu_p->swap,
"cpu", "swap", NULL);
add_stat(FLOAT, &cpu_p->nice,
"cpu", "nice", NULL);
add_stat(TIME_T, &cpu_p->time_taken,
"cpu", "time_taken", NULL);
}
} else {
sg_cpu_stats *cpu_s;
cpu_s = use_diffs ? sg_get_cpu_stats_diff()
: sg_get_cpu_stats();
if (cpu_s != NULL) {
add_stat(LONG_LONG, &cpu_s->user,
"cpu", "user", NULL);
add_stat(LONG_LONG, &cpu_s->kernel,
"cpu", "kernel", NULL);
add_stat(LONG_LONG, &cpu_s->idle,
"cpu", "idle", NULL);
add_stat(LONG_LONG, &cpu_s->iowait,
"cpu", "iowait", NULL);
add_stat(LONG_LONG, &cpu_s->swap,
"cpu", "swap", NULL);
add_stat(LONG_LONG, &cpu_s->nice,
"cpu", "nice", NULL);
add_stat(LONG_LONG, &cpu_s->total,
"cpu", "total", NULL);
add_stat(TIME_T, &cpu_s->systime,
"cpu", "systime", NULL);
}
}
}
double RazorCpuLoad::getLoadCpu() const
{
sg_cpu_percents* cur = sg_get_cpu_percents();
return (cur->user + cur->kernel + cur->nice);
}
int main(int argc, char **argv){
extern char *optarg;
int c;
int delay = 1;
sg_cpu_percents *cpu_percent;
sg_cpu_stats *cpu_diff_stats;
while ((c = getopt(argc, argv, "d:")) != -1){
switch (c){
case 'd':
delay = atoi(optarg);
break;
}
}
#ifdef WIN32
delay = delay * 1000;
#endif
/* Initialise helper - e.g. logging, if any */
sg_log_init("libstatgrab-examples", "SGEXAMPLES_LOG_PROPERTIES", argc ? argv[0] : NULL);
/* Initialise statgrab */
sg_init(1);
/* XXX must be replaced by termios/(n)curses function ....
if( 0 != setvbuf(stdin, NULL, _IONBF, 0) ) {
perror("setvbuf");
exit(1);
} */
/* Drop setuid/setgid privileges. */
if (sg_drop_privileges() != SG_ERROR_NONE) {
sg_die("Error. Failed to drop privileges", 1);
}
register_sig_flagger( SIGINT, &quit );
/* Throw away the first reading as thats averaged over the machines uptime */
sg_snapshot();
cpu_percent = sg_get_cpu_percents(NULL);
if( NULL == cpu_percent )
sg_die("Failed to get cpu stats", 1);
/* Clear the screen ready for display the cpu usage */
printf("\033[2J");
while( ( ( cpu_diff_stats = sg_get_cpu_stats_diff(NULL) ) != NULL ) &&
( ( cpu_percent = sg_get_cpu_percents_of(sg_last_diff_cpu_percent, NULL) ) != NULL ) ) {
int ch;
sg_snapshot();
printf("\033[2;2H%-14s : %lld (%6.2f)", "User CPU", cpu_diff_stats->user, cpu_percent->user);
printf("\033[3;2H%-14s : %lld (%6.2f)", "Kernel CPU", cpu_diff_stats->kernel, cpu_percent->kernel);
printf("\033[4;2H%-14s : %lld (%6.2f)", "IOWait CPU", cpu_diff_stats->iowait, cpu_percent->iowait);
printf("\033[5;2H%-14s : %lld (%6.2f)", "Swap CPU", cpu_diff_stats->swap, cpu_percent->swap);
printf("\033[6;2H%-14s : %lld (%6.2f)", "Nice CPU", cpu_diff_stats->nice, cpu_percent->nice);
printf("\033[7;2H%-14s : %lld (%6.2f)", "Idle CPU", cpu_diff_stats->idle, cpu_percent->idle);
printf("\033[8;2H%-14s : %llu", "Ctxts", cpu_diff_stats->context_switches);
printf("\033[9;2H%-14s : %llu", " Voluntary", cpu_diff_stats->voluntary_context_switches);
printf("\033[10;2H%-14s : %llu", " Involuntary", cpu_diff_stats->involuntary_context_switches);
printf("\033[11;2H%-14s : %llu", "Syscalls", cpu_diff_stats->syscalls);
printf("\033[12;2H%-14s : %llu", "Intrs", cpu_diff_stats->interrupts);
printf("\033[13;2H%-14s : %llu", "SoftIntrs", cpu_diff_stats->soft_interrupts);
fflush(stdout);
ch = inp_wait(delay);
if( quit || (ch == 'q') )
break;
}
sg_shutdown();
exit(0);
}